【发布时间】：2021-04-15 12:24:51
【问题描述】：
当我想将种子数据添加到数据库时，我得到了这个错误并且我无法解决它。表具有多对多关系。 我在下面附上了我的表格和上下文文件。你能帮帮我吗？
无法添加实体类型“BasicCategory”的种子实体，因为已经添加了具有相同键值 {'BasicCategoryId'} 的另一个种子实体。考虑使用“DbContextOptionsBuilder.EnableSensitiveDataLogging”来查看冲突的键值
namespace BuyfiletData.Concrete.EfCore.Seeds
{
class ProductSeed:IEntityTypeConfiguration<Product>
{
public void Configure(EntityTypeBuilder<Product> builder)
{
builder.HasData(
new Product {Id=1, StockCode="5484959", Label="Samsung S6", Status=1, Brand= "Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili)", IsOptionedProduct=1, IsOptionOfAProduct=2400, MarketPrice=2600, BuyingPrice="2400", Price=2400, Tax=14, CurrencyAbbr="tl", RebateType=1, Rebate=200, MoneyOrder=300, StockAmount=5, StockType="cm", Warranty=200, Picture1Path= new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture2Path= new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture3Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture4Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture5Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture6Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Dm3 = 2554, Details = "Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili", Point = 15.8, Variety = "kırmızı", Size = "25", Color = "siyah", Gender = "erkek",},
new Product {Id=2, StockCode="5465465456", Label="Samsung S6", Status=1, Brand= "Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili)", IsOptionedProduct=1, IsOptionOfAProduct=2400, MarketPrice=2600, BuyingPrice="2400", Price=2400, Tax=14, CurrencyAbbr="tl", RebateType=1, Rebate=200, MoneyOrder=300, StockAmount=5, StockType="cm", Warranty=200, Picture1Path= new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture2Path= new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture3Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture4Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture5Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture6Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Dm3 = 2554, Details = "Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili", Point = 15.8, Variety = "kırmızı", Size = "25", Color = "siyah", Gender = "erkek",},
new Product {Id=3, StockCode="5484959", Label="Samsung S6", Status=1, Brand= "Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili)", IsOptionedProduct=1, IsOptionOfAProduct=2400, MarketPrice=2600, BuyingPrice="2400", Price=2400, Tax=14, CurrencyAbbr="tl", RebateType=1, Rebate=200, MoneyOrder=300, StockAmount=5, StockType="cm", Warranty=200, Picture1Path= new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture2Path= new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture3Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture4Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture5Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Picture6Path = new Uri("https://productimages.hepsiburada.net/s/43/550/10756209672242.jpg/format:webp"), Dm3 = 2554, Details = "Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili Samsung Galaxy M51 128 GB (Samsung Türkiye Garantili", Point = 15.8, Variety = "kırmızı", Size = "25", Color = "siyah", Gender = "erkek",},
);
}
}
}
-----
class ProductCategorySeed:IEntityTypeConfiguration<ProductCategory>
{
public void Configure(EntityTypeBuilder<ProductCategory> builder)
{
builder.HasData(
new ProductCategory { BasicCategoryId = 1,MainCategoryId = 1,SubCategoryId = 1,ProductId = 1},
new ProductCategory { BasicCategoryId = 1,MainCategoryId = 1,SubCategoryId = 2,ProductId = 2},
new ProductCategory { BasicCategoryId = 1,MainCategoryId = 1,SubCategoryId = 3,ProductId = 3},
);
}
}
----
public void Configure(EntityTypeBuilder<MainCategory> builder)
{
builder.HasData(
new MainCategory {MainCategoryId = 1,Name = "Cep Telefonu ve Aksesuar" },
new MainCategory {MainCategoryId = 2,Name = "Bilgisayar, Tablet" },
new MainCategory {MainCategoryId = 3,Name = "Erkek" },
new MainCategory {MainCategoryId = 4,Name = "Kadın" }
);
}
);
}
}
---
class CategorySeed:IEntityTypeConfiguration<BasicCategory>
{
public void Configure(EntityTypeBuilder<BasicCategory> builder)
{
builder.HasData(
new BasicCategory { BasicCategoryId = 1, Name = "ELEKTRONİK&BEYAZ EŞYA", },
new BasicCategory { BasicCategoryId = 1, Name = "MODA", }
);
}
}
这是我建立多对多关系的表。
public class ProductCategory
{
public int BasicCategoryId { get; set; }
public int ProductId { get; set; }
public int MainCategoryId { get; set; }
public int SubCategoryId { get; set; }
public Product Product { get; set; }
public SubCategory SubCategory { get; set; }
public BasicCategory BasicCategory { get; set; }
public MainCategory MainCategory { get; set; }
}
这是我的上下文文件
using AlisverisagiEntity;
using AlisverisagiEntity.EntityModels;
using BuyfiletData.Concrete.EfCore.Seeds;
using BuyfiletEntity.bagla;
using BuyfiletEntity.EntityModels.Category;
using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore;
namespace BuyfiletData.Concrete.EfCore
{
public class ShopContext:IdentityDbContext<UserEntity>
{
public ShopContext()
{
}
public ShopContext(DbContextOptions<ShopContext> options) : base(options)
{
}
public DbSet<UserEntity> UserModels { get; set; }
public DbSet<Product> Products { get; set; }
public DbSet<BasicCategory> Categories { get; set; }
public DbSet<MainCategory> MainCategories { get; set; }
public DbSet<SubCategory> SubCategories { get; set; }
public DbSet<UserEntity> UserEntities { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Entity<MainCategory>().HasKey(x => x.Id);
modelBuilder.Entity<ProductCategory>().HasKey(c => new
{c.BasicCategoryId, c.ProductId,c.MainCategoryId,c.SubCategoryId});
modelBuilder.ApplyConfiguration(new ProductSeed());
modelBuilder.ApplyConfiguration(new CategorySeed());
modelBuilder.ApplyConfiguration(new MainCategorySeed());
modelBuilder.ApplyConfiguration(new ProductCategorySeed());
modelBuilder.Entity<Connect>().HasKey(c => new
{
c.ChildsId,
c.GrandchildsId,
c.UserEntityId,
});
}
}
}
我收到了我在标题中提到的错误。我该如何解决？
【问题讨论】：
标签： asp.net-core entity-framework-core ef-core-3.1